Home / 17,908.17-26,861.64-6,221.09

Finding the Fourth Proportional to 17,908.17, 26,861.64 and 6,221.09

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Solution

The fourth proportional to 17,908.17, 26,861.64 and 6,221.09 is: 9,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.17 : 26,861.64 = 6,221.09 : x
  2. Step 2: Convert to fraction form
    17,908.17/26,861.64 = 6,221.09/x
  3. Step 3: Cross multiply
    17,908.17x = 26,861.64 × 6,221.09
  4. Step 4: Simplify right side
    17,908.17x = 167,108,545.68
  5. Step 5: Solve for x
    x = 167,108,545.68/17,908.17
  6. Step 6: Final answer
    x = 9,331.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.